DENDROLOGY

Detailed explanation-1: -The interactions between living things and their non living environment makes up a total ecosystem; understanding any one part of it requires knowledge of how that part interacts with the others.

Detailed explanation-2: -An ecosystem is a geographic area where plants, animals, and other organisms, as well as weather and landscape, work together to form a bubble of life. Ecosystems contain biotic or living, parts, as well as abiotic factors, or nonliving parts. Biotic factors include plants, animals, and other organisms.

Detailed explanation-3: -Many living things interact with other organisms in their environment. In fact, they may need other organisms to survive. This is known as interdependence. Other interactions between living things include symbiotic relationships and competition for resources.